<template>
  <view class="cart-container"v-if="cart.length !== 0">
    <!-- 收货地址 -->
    <my-address></my-address>>
    <!-- 商品列表标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 右侧的图标 -->
      <text class="cart-title-text">购物车</text>
    </view>
    
    
    <uni-swipe-action>
      <block v-for="(goods, i) in cart" :key="i">
      <uni-swipe-action-item :right-options="options" @click="swipeItemClickHandler(goods)">
          
      <my-goods :goods="goods" :show-redio="true" :show-num="true" @radio-change="redioChangeHandler" @num-change="numberChangeHandler"></my-goods>
        
      </uni-swipe-action-item>
       </block>
    </uni-swipe-action>
  
    <!-- 使用自定义的结算组件 -->
    <my-settle></my-settle>
  </view>
  
  <!-- 空白购物车区域 -->
  <view class="empty-cart" v-else>
    <image src="/static/static/tab_icons/cart-active.png" class="empty-img"></image>
    <text class="tip-text">空空如也</text>
  </view>
</template>


<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  import { mapState, mapMutations } from 'vuex'
  export default {
    mixins: [badgeMix],
    computed: {
      ...mapState('m_cart', ['cart'])
    },
    data() {
      return {
          options: [{
            text: '删除',
            style: {
              backgroundColor: '#C00000'
            }
          }]
      };
    },
    methods:{
      ...mapMutations('m_cart',['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),
      
      
      redioChangeHandler(e){
        //console.log(e);
        this.updateGoodsState(e)
      },
      numberChangeHandler(e) {
        this.updateGoodsCount(e)
      },
      swipeItemClickHandler(goods) {
        this.removeGoodsById(goods.goods_id)
      }
      
      
    }
    
    
  }
</script>

<style lang="scss">
.cart-container{
  padding-bottom: 50px;
}
.cart-title{
  height: 40px;
  display: flex;
  align-items: center;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  
  .cart-title-text{
    font-size: 14px;
    margin-left: 10px;
  }
}
.empty-cart{
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;
  
  .empty-img{
    width: 90px;
    height: 90px;
  }
  .tip-text{
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
